Rendering a seemingly lively environment is actually a "silent" atmosphere.
The last two issues show people and things. The master waited patiently and anxiously, doing nothing, "knocking" the chess pieces and quietly looking at the sparkling snuff. The third sentence, "I have an appointment and won't come after midnight", points out that the poet once invited guests to visit with "I have an appointment", "After midnight" means that the waiting time is long and the chess pieces are knocked casually "is a detailed description. Poets can't wait for guests, the wick is very long. When the poet is bored, he subconsciously beats the black and white pieces on the chessboard, and the sound of knocking will turn snuff into capital. This gesture seems leisurely, but it actually reflects the poet's inner anxiety.